Which of the following does not represent an important component of a hydrostatic skeleton?A. Extracellular and/or intracellular body fluidsB. A resilient membraneC. A chitin matrix containing CaCO3D. Muscle (or epitheliomuscular) contractionsE. All of the above are needed for a hydrostatic skeletonWhich of the following structures is most effective for the excretion of excess water?A. The Malpighian tubules of an insectB. The rectal gland of a sharkC. The flame cells of a flatwormD. The ionocytes of a crayfishE. All of the above are equally effective in the excretion of excess waterWhich of the following structural characteristics of a gastrointestinal tract contributes to chemicaldigestion?A. The typhlosole of an earthwormB. The crop of a birdC. The chelicerae of a spiderD. The radula of a molluscE. All of the above

A hydrostatic skeleton is a type of skeletal system found in many invertebrates, such as worms,…

Which of the following does not represent an important component of a hydrostatic skeleton? A. Extracellular and/or intracellular body fluids B. A resilient membrane C. A chitin matrix containing CaCO3 D. Muscle (or epitheliomuscular) contractions E. All of the above are needed for a hydrostatic skeleton

Which of the following does not represent an important component of a hydrostatic skeleton? A. Extracellular and/or intracellular body fluids B. A resilient membrane C. A chitin matrix containing CaCO3 D. Muscle (or epitheliomuscular) contractions E. All of the above are needed for a hydrostatic skeleton

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter48: Regulating The Internal Environment

Section: Chapter Questions

Problem 1TYK: Which of the following statements about osmoregulation is true? a. In freshwater invertebrates,...

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Which of the following is false about water reabsorption at the kidneys: a). Water is actively pumped from the tubules into the bloodb). A concentration gradient of sodium must be established to move Water c). The loops of Henie allow for water reabsorption d). Water moves through aquaporins
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Antidiuretic hormone (ADH) is produced in the pituitary gland and regulates the body's fluid volume and osmolality by affecting the number of active aquaporins (water channels) in the proximal tubules and the collecting duct. But what is it, above all, that drives the filtrate out of the tubules? a) Osmotic pressure formed depending on the composition of the filtrate b) Osmotic gradient in the medullary (kidney marrow) c) Hydrostatic pressure from the filtrate in tubules d) Blood pressure in the capillary
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